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Finding the Fourth Proportional to 114,793.40, 171,704.10 and 103,032.20

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Solution

The fourth proportional to 114,793.40, 171,704.10 and 103,032.20 is: 154,112.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,793.40 : 171,704.10 = 103,032.20 : x
  2. Step 2: Convert to fraction form
    114,793.40/171,704.10 = 103,032.20/x
  3. Step 3: Cross multiply
    114,793.40x = 171,704.10 × 103,032.20
  4. Step 4: Simplify right side
    114,793.40x = 17,691,051,172.02
  5. Step 5: Solve for x
    x = 17,691,051,172.02/114,793.40
  6. Step 6: Final answer
    x = 154,112.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.